Enginetech ES658 Camshaft for Ford 3.3L 200 & 4.1L 250 Inline Six

The Enginetech ES658 is a stock replacement hydraulic flat tappet camshaft designed for Ford inline six-cylinder engines, specifically the 3.3L (200 cubic inch) and 4.1L (250 cubic inch) OHV engines. This camshaft features a 256-degree advertised duration profile that delivers reliable performance and smooth operation for street applications.

Key Features:

• 256-degree advertised duration for improved power delivery over earlier cam profiles
• Hydraulic flat tappet design for quiet operation and durability
• Manufactured at OE facilities using strict SPC (Statistical Process Control) data
• Metallurgy analysis and Rockwell hardness testing throughout manufacturing
• Profiled lobes ensure proper lift and duration specifications
• Zero base circle runout for precision operation
• Compatible with Ford 200 and 250 inline six engines

Enginetech camshafts are engineered to OE specifications and inspected by their quality control department to maintain high standards. This camshaft provides an excellent stock replacement option for engine rebuilds and restorations. Cross-references to Melling FOV-9, E-592-S, CS-658, and 229-1665. Always use proper cam break-in procedures including break-in oil additive and assembly lube for optimal longevity.